Finding the Third Proportional to 7,263,774 and 11,703,879
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Solution
The third proportional to 7,263,774 and 11,703,879 is: 18,858,073.45
Step by Step Solution
- Step 1: Write the proportion equation
7,263,774 : 11,703,879 = 11,703,879 : x - Step 2: Convert to fraction form
7,263,774/11,703,879 = 11,703,879/x - Step 3: Cross multiply
7,263,774x = 11,703,879 × 11,703,879 - Step 4: Simplify right side
7,263,774x = 136,980,783,646,641 - Step 5: Solve for x
x = 136,980,783,646,641/7,263,774 - Step 6: Final answer
x = 18,858,073.45
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.